Liquid-meter.



No. 888,481. PATENTED MAY 26, 1908' R. FRITSGH.

LIQUID METER. APPLIbATION FILED SEPTJB, 1906.

' 2 sums-sum 1.

Xsikta No. 888,481. flTENTgD MAY 26, 1908.

. R. FBITSOH. LIQUID METER.

APPLIUATION rum) 81:28:.12. 1906.

' 2 SHEETS-8HEET a.

l l I d a Z -IJ L wi'rnmssss INVENTOA.

s ijii lriilltwkli, F OBEBLOSSNITZ, NEAR DEESDEN, GERMAN Y.

LIQUID-METER.

Specification of Letters Pateni}.

' Patented May 28, 1908.

Application filed September 12, 1966. Serial No. 334,299.

. left hand side, OSK'iIpOS through l l l n'reniod new and usvl'ulimprovements in nd lli luling to liiii uid-iiiliters, of which the'ollowing is :i :ipwiliozilion.

The ohjvri oi the. irosonh invention is .l'iii ui under. 1

a stem oi rho improved liquid mete-r ii the principle of the Well knownpisiou vnlwo, tho roversing gear ootosists of :i pinion siido vulva,sliding within the. casing oi the motor. 5 lhis liquid motor diiiersfrom the known motors in Lind the piston Well as the. piston Volvo inlorinr-d by iii'i'nplo eylindrioul pistons in order to siinnliiv thenuinuiacture of the 'ziiil ll". l m

tho oooonipunyiiig draining the inven- .n is shown in a construrationalform, and show longitudinal soolions. Ii shows :1 uross suction on tholino A a i,

I 1 Fig.5 sl )WS :1 cross sootiou. on tho lino (JU, Fig. 2. Fig. 6 showsiiudiiial section of tho motor with 1. dolor iii'nnsinitting iwhomovement-s ol the a dial, and Fig. 7 is o cross section lino l) Fig. 6.iiipiid motor consis'hs ol a cylindrical o, prijividod with pipes 51 andc for the. -o and escape of the liquid to ho inc-usi"hoso pipes urosuitohl y uri'ungod op- A to r-i 7. other and placed in the sin-no pi noof iho groovos q, r, .sprovidod inside id run-ling o. insi-rtod inio thecylindrical aing o is n. hollow piston d, which is soourod -omtion bymoons of a. pin f. Jorrii-sponding with tho n'iidd o axis oi' the .o l:and a piston 11 is )IUVldQd with "or; {1, la. and nporouros it, i, m, n,o, p.

3 1.31/1, nod

in tho ends of said pislon (1. iii-- *"iod in iho inlui'ior ol' thopiston d. is tho in vulva 1 provided on its oir -u1ni'orenoo Willigrooves :1

in the posilion of tho piston d and oi' the 3 Loon valve. (2 shown inthe annexed drow ring, rho liquid to ho measurod onlers'hy b giowsrorough the groove .9 and the aperture 0 into he interior oi tho lsi1ond, and pushes the. piston vulvo (4 to the left hiind sido whilo iihovliquid oontziinml in tho space. between tho piui'on \il-iYiE i: nod Lhopiston (1'. at the Fi ii shows a/oross' section on tho" il a groovos 2!,t the latter liquid entering n iron: tho axis of i'ho piston are the, i

the apertures n and tho grooves r and g through the pipe 0. 3 thismovoinont oi the. piston valve 6, the opvrturos Z and i become opened.Now the h 1) ions through ill: groove 11 and the aperture ii, the groove0;, the open turo w and the groove u behind the piston d and pushes thesome. to the right hand side, While the liquid continual in the spaceinthe from, of sold iston d, i. e. in the. space heft-Weon the will ofthe. cylindrical casing a,

and the piston d. on the right hand side, is em tied through the groovet, the aperture v, t in groove 1;, the aperture "L and the groove 9 tothe pipe 0. The movement of the piston (Z is continued till it arriveson the other and of the casing o, and the liquid flows througl thegroove .9 and the aperture p. behind the piston valve 6, whereby thelatter is pushed to the right hand side and the liquid contained in thospace in the front of the piston valve 6 is forced to the. )i)@ c throuh the aperture m, the grooves g and 9. By this movoinem. ol' the pistonvalve. 0, the apertures Z and 'i heooino closed, and tho operturos ii.-und i. hoooiuo opened Whoroaftor the liquid is forced through tho grooveii, the aporturo is, the groove y, the aperture 2/ and tho groove thohind the piston d and pushes said piston to tho loft hand side, While.the

Water contained in die. .spzwo in the front of I tho piston d is forcedthrough the. grod've u and tho uperiuro w, the groove in, tho aperturn'1'. and tho groove g to the pi e c. The motion of the, piston iscontinuei till ii has oooupiod ,l-he. position again as shown in thodrawing, in which position the liquid enters again hohind the. pistonvn-lvo e; ihrough the groove 5; and tho aporturo o and ushcs said pistonvalve to the left hand side, wherealtor lhe oporniion as More iid. isropoatod.

Tho strokes of the piston d aro iransinittod by a. spring d lixod to thepiston to a. ruichoi whool (1. which is inscrtod ihrough a. slot d inthe ousingo. This ratchet. wheel if whiz'h irnnsmils in on suiinhloinunnoi' its IllOVO- moms in a. dial or tho like, is provonlaod frombeing moved backwards by 2]. spring 1 i'ixod to the casing (1,. Theratchet whool is moved through ono tooth oi ovory forward stroke of the.islon d.

lloving fully described my invontioi'i, What I claim and desire. toseouro hy lioi-iers Patout is:

A liquid motor, comprising in eoinhinotion, & oylindrioa l Casing (d)provided in. its

interior with grooves (9 '7", s) a piston ((2) provided with grooves (g,h, '11 t) and apertures (i, is, Z, m, n, 0,4), 12, w) the said )iston(d) situated inside the casing (a) an prevented from turning bya pin (f)a piston. valve (6) provided on its circumference with grooves (m, 'y)the said iston valve-situated inside the piston, the ey ind rieaicasingbeing provided with a slot 1), a ratchet wheel a projecting through theslot, a spring (I fixed t0 the piston, said spring adapted to transmitthe motion of the piston to the ratchet wheel, a spring a fixed to thecasing, said spring adapted to revent the ratchet Wheel being moved bee(wards, substantially 1:

described and shown and for the purpose set forth.

In testimony whereof l have hereunto set my hand in the presence of twosubscribing

